Question about 1986 Isuzu Trooper

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Dash lights stay on after car is started

Help .alternator. fuel. stay on. battery.

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  • Anonymous Mar 25, 2014

    the veichle will start and all dash lights will stay on. then she'll run for a few miles then it's like it looses power so I'm thinking altenator. Or its not getting fuel.

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  • 2 Answers

Sounds like the alternator is not putting out 13.5 to 14 volts. Have the brushes checked as well as the diodes.

oz

Posted on Jul 30, 2008

4 Suggested Answers

oldfishead
  • 155 Answers

SOURCE: battery not charging

check the fuses in the POWER DISTRIBUTION BOX under the hood, There is a 75A in-line fuse and #11 - 15A fuse see if they are good.... test your alt. loom for opens, and cables .....hope this helps...GL

Posted on Jul 06, 2009

  • 699 Answers

SOURCE: Battery light stays on r

When your battery warning light stayed on, it indicated that you had a failure in either your alternator or battery. First make sure that your battery is sound by using a multimter across the battery poles with engine OFF: should indicate around 12V and anything less (usually 10v) indicates a shorted/bad battery. Since you cannot start the car, it would be hard to assess if your alternator is working (with the engine running it would show around 13.8V and anything higher, or lower, would indicate a faulty regulator). From your description, it looks that you had a sudden spike (high voltage) in your circuit and if you could confirm that you have no problem with your battery or alternator, then I suspect that either your car computer has been fried or more hopefully that your car security system has been triggered and you need to get it reset: look at your manual or ask your dealer (or Auto Club technical advise if you have such membership) how to reset your car alarm/security system. Hope it helps & Good luck!

Posted on Dec 22, 2009

no_signal_sw
  • 273 Answers

SOURCE: 1991 geo prizm, battery light

Yes, it could be. Or you can check your battery. And try adding brake fluid to your master cylinder. That sometimes will cause the brake light to come on. Or check your emergency brake. Hope this helps, James Booth.

Posted on May 17, 2011

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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